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The processes of social and economic advancement and residential dispersion of Negroes cannot usefully be regarded as following the earlier processes of assimilation of ethnic groups. Negro residential segregation has remained high, despite their social and economic progress. Puerto Ricans and Mexicans, the most recent in-migrants, are economically less well off than Negroes, but their residential segregation is already less. A simple model demonstrates that only a small proportion of Negro residential segregation can be attributed to their low economic status.
Taeuber et al. (Wed,) studied this question.